Figure 5From: Role of Notch signaling in cell-fate determination of human mammary stem/progenitor cellsNotch4 protein detected by immunostaining (FITC-green) in structures derived from mammospheres embedded in Matrigel. (a),(b) Spherical structures at 5 days of cultivation (Nomarski contrast-phase image and immunofluorescence). (c),(d) Branching structures at 16 days of cultivation.Back to article page